Abstract

Abstract We report that charged colloidal particles show uphill diffusion against electrostatic interparticle repulsions in the presence of pH gradient. This intriguing phenomenon is found upon unidirectional crystal growth of colloidal silica via diffusion of pyridine, by means of in situ fiber optic reflection spectrometry.

Full Text
Paper version not known

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call